Index: /trunk/src/VBox/Main/src-client/GuestDnDSourceImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-client/GuestDnDSourceImpl.cpp	(revision 56553)
+++ /trunk/src/VBox/Main/src-client/GuestDnDSourceImpl.cpp	(revision 56554)
@@ -259,5 +259,5 @@
         if (pResp)
         {
-            if (pResp->waitForGuestResponse() == VERR_TIMEOUT)
+            if (pResp->waitForGuestResponse(5000 /* Timeout in ms */) == VERR_TIMEOUT)
                 fFetchResult = false;